Home / 12,696,638.42-17,521,463.97-6,895,461.69

Finding the Fourth Proportional to 12,696,638.42, 17,521,463.97 and 6,895,461.69

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Solution

The fourth proportional to 12,696,638.42, 17,521,463.97 and 6,895,461.69 is: 9,515,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,638.42 : 17,521,463.97 = 6,895,461.69 : x
  2. Step 2: Convert to fraction form
    12,696,638.42/17,521,463.97 = 6,895,461.69/x
  3. Step 3: Cross multiply
    12,696,638.42x = 17,521,463.97 × 6,895,461.69
  4. Step 4: Simplify right side
    12,696,638.42x = 120,818,583,557,850.31
  5. Step 5: Solve for x
    x = 120,818,583,557,850.31/12,696,638.42
  6. Step 6: Final answer
    x = 9,515,793.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.